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Other Expenses, Net (Tables)
3 Months Ended
Mar. 31, 2018
Other Expenses, Net [Abstract]  
Schedule of other expenses, net

 

  

For the Three-Month

Periods Ended 
March 31,

 
  2018  2017 
Interest expense $96,015  $39,902 
Interest income  (3,824)  (5,957)
Other gains  (75)  (3,703)
    Other expenses, net $92,116  $30,242